/*
* This file is part of RoboDS (http://code.google.com/p/robods/)
* Copyright (C) 2007 Blakharaz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* 
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
* 
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
*/

#include "Game.h"

#include "AutomaticEffectsState.h"
#include "MoveRobotsState.h"
#include "PrepareRoundState.h"
#include "UserInputState.h"

namespace robo
{
    Game::Game()
        : mCurrentState(NULL)
    {
    }

    Game::~Game()
    {
    }

    void Game::setCurrentState(GameState::StateType state)
    {
	    if (mCurrentState 
		    && mCurrentState->getType() == state)
	    {
		    return;
	    }


        GameState* newState = NULL;

	    switch (state)
	    {
		    case GameState::USER_INPUT:
			    newState = mUserInputState;
			    break;
		    case GameState::BOARD_EFFECTS:
			    newState = mAutomaticEffectsState;
			    break;
		    case GameState::ROBOT_MOVEMENT:
			    newState = mMoveRobotsState;
			    break;
		    case GameState::PREPARE_ROUND:
			    newState = mPrepareRoundState;
			    break;
	    }

        if (newState != mCurrentState)
        {
       	    if (mCurrentState)
	        {
		        mCurrentState->pause();
	        }

            if (newState)
            {
    	       newState->resume();
            }

            stateChanged(mCurrentState->getType(), newState->getType());

            mCurrentState = newState;
        }
    }

} // namespace robo
